Here is a color palette based on your specifications for a GHW Fandom wiki light mode.

json
{
  "palette_name": "GHW Fandom Wiki Light Mode",
  "colors": [
    {
      "name": "Community Header",
      "hex_code": "
                            
                            #8bc8fa
                        "
    },
    {
      "name": "Article Background",
      "hex_code": "
                            
                            #e0f2f7
                        "
    },
    {
      "name": "Accent Color",
      "hex_code": "
                            
                            #4fc3f7
                        "
    },
    {
      "name": "Sticky Nav",
      "hex_code": "
                            
                            #b3e5fc
                        "
    },
    {
      "name": "Link Color",
      "hex_code": "
                            
                            #1e88e5
                        "
    },
    {
      "name": "Community Background",
      "hex_code": "
                            
                            #f0f8ff
                        "
    },
    {
      "name": "Community Text Color",
      "hex_code": "
                            
                            #1976d2
                        "
    }
  ]
}

This palette provides a cohesive and refreshing look for the GHW Fandom wiki in light mode, with a range of blues that create a serene and user-friendly environment.

Do you have any additional requests or modifications you would like to make to this palette?